Subaru EJ20 WRX STi 9.0:1 Wossner Piston Kit
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This Wössner forged piston kit is listed for Impreza WRX STI Ver 7-8 9:1. Catalogue reference: K9050D050. Selected bore size: 92.5mm.
Fitment note: Compare the application, engine code, selected option and listed dimensions with your engine before ordering. Contact TSR Performance if you need a fitment check.